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GuiButton.md

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Home | Reference

GuiButton

Example | Constructor | Variables | Functions

Description

Momentary button class.

Picture of a p5.touchgui GuiButton

Example

let gui;

// Create variable for your Button
let b;

function setup() {
  createCanvas(400, 400);
  gui = createGui();
  
  // Create Button
  b = createButton("Button", 100, 50, 200, 50);
}

function draw() {
  background(220);
  drawGui();
  
  if (b.isPressed) {
    // Print a message when Button is pressed.
    print(b.label + " pressed.");
  }
  
  if (b.isHeld) {
    // Draw an ellipse when Button is held.
    fill(255, 0, 0);
    ellipse(200, 300, 100);
  }
}

/// Add these lines below sketch to prevent scrolling on mobile
function touchMoved() {
  // do some stuff
  return false;
}

Constructor

createButton()

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Example
let gui;
let b;

function setup() {
    createCanvas(400, 400);
    gui = createGui();
    b = createButton("Button", 50, 50);
}
Description

Creates a new GuiButton object. This is a momentary button.

Syntax
createButton(label, x, y, [w], [h])
Parameters
  • label String: label for the GuiButton
  • x Number: x-coordinate of the GuiButton
  • y Number: y-coordinate of the GuiButton
  • w Number: width of the GuiButton (default is 128)
  • h Number: height of the GuiButton (default is 32)
Returns

GuiButton

Variables

val

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Example
button.val = True;

print(button.val)
Description

Value of the GuiButton.

label

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button.label = "Button";

print(button.label)
Description

Label of the GuiButton. Setting the label will automatically set labelOn and labelOff (see below).

labelOn

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button.labelOn = "Button On";

print(button.labelOn)
Description

Label of the GuiButton when pressed or "on".

labelOff

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button.labelOff = "Button Off";

print(button.labelOff)
Description

Label of the GuiButton when unpressed or "off".

Functions

setStyle()

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Example
button.setStyle("fillBg", color(255, 0, 0));
button.setStyle({
    fillBg: color("#FF0000"),
    rounding: 10,
    textSize: 40
});
Description

Individual GuiButton objects can be styled using this method. There are two types of input it takes. Use an input string and value to set an individual property, and use an Object with key/value notation to set multiple properties at once.

Syntax
setStyle(property, value)
setStyle(Object)
Parameters

property String: name of property to be set value Number|String|Object: value of property to be set Object Object: multiple propertys and values to be set

Returns

None

Style

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The GuiButton style properties are:

  • strokeWeight Number: the weight (in pixels) of the stroke
  • rounding Number: radius of corners
  • font Object|String: a font loaded via loadFont(), or a String representing a web safe font (a font that is generally available across all systems)
  • textSize Number: the size of the letters in units of pixels
  • fillBg p5.Color: default background color
  • fillBgHover p5.Color: hover background color
  • fillBgActive p5.Color: active background color
  • fillLabel p5.Color: default label color
  • fillLabelHover p5.Color: hover label color
  • fillLabelActive p5.Color: active label color
  • strokeBg p5.Color: default stroke color
  • strokeBgHover p5.Color: hover stroke color
  • strokeBgActive p5.Color: active stroke color